Microscope use Flashcards
The ocular (or eye piece) has a magnification of…
10 x
What is the total magnification produced by a microscope with an eyepiece of 10 x and an objective lens of 10x?
100 x
The objective lenses have magnification of:
Low power:_______
Medium power:_______
High power:_________
4
10
40
Which focus knob do you use only under low power?
Coarse adjustment
What part of the microscope changes the amount of light coming through the stage?
Diaphragm
Increasing the magnification causes the field of view to become (smaller or bigger?)
Smaller (the area on the slide that you see is much closer, so the area is smaller.)
When the letter e is viewed under the microscope, the image appears…
Upside down and backwards
To focus a specimen under a microscope, always start on _______ power.
Low
The slide is place on top of the coverslip for a wet mount slide. True or false?
False- cover slip covers the specimen in water on the slide.
How do you prevent air bubbles from getting into a wet mount slide?
Make sure the edge of the cover slip is touching the water before lowering the rest down.